Karenwebberite

karenwebberite

graftonite

ferrisicklerite

maricite

Images

Formula: NaFe2+(PO4)
Anhydrous normal phosphate, triphylite group, paramorph of marićite
Specific gravity: 3.65 calculated
Hardness: 4½
Streak: Very pale greyish green
Colour: Pale green
Environments

Pegmatites

Localities

At the type locality, the Malpensata pegmatitic dyke, Piona Peninsula, Colico, Lecco Province, Lombardy, Italy, karenwebberite is found in the pegmatite dyke as late-magmatic-stage exsolution lamellae up to 100 μm thick, hosted by graftonite and associated with sodium-bearing ferrisicklerite and with a heterosite-like phase (AM 98.767-772.

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